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Which of the following statement(s) is/a...

Which of the following statement(s) is/are correct?
(A) Transition metals and many of their compounds show paramagnetic behaviour.
(B) The enthapies of atomisation of the transition metals are high
(C) The transition metals generally form coloured compounds
(D) Transition metals and their many compounds act as good catalyst.

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Explain giving reason: (a) Transition metals and many of their compounds show paramagnetic behaviour. (b) The enthalpies of atomisation of the transition metals are high. (c). The transition metals gnerally form coloured compounds.

Explain gives reason. (a) Transition metal and many of their compounds show paramagnetic behaviour. (b) The enthalpies of atomisation of the transition metal are high . © The transition metals generally from coloured compounds.

Explain why transition metals and their many compounds act as good catalyst.

Explain why transition metals and their many compounds act as goodd catalyst.

Which of the following statement is not correct about transition metals

Why do transition metals form coloured complexes ?

XII BOARDS PREVIOUS YEAR-QUESTION PAPER 2022 TERM 2 SET 2-SECTION B
  1. Define coagulation. Differentiate between physical adsorption and chem...

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  2. State Hardy schulze rule.

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  3. What is Electrophoriesis ?

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  4. Write differences between physisorption and chemisorption.

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  5. What is lanthanoid contraction? What are the consequences of lanthanol...

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  6. Which of the 3d series of the transition metals exhibits the largest n...

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  7. Why does copper not replace hydrogen from acids?

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  8. Which of the following statement(s) is/are correct? (A) Transition m...

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  9. Zn, Cd, Hg are soft and have low melting point. Explain

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  10. pK(b) of aniline is more than that of methylamine. Why?

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  11. Aniline does not undergo Friedel Crafts alkylation. Explain.

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  12. State reasons for the following: primary amines have higher boiling po...

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  13. Arrange the following in the increasing order of their basic strength ...

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  14. What is Hinsberg's reagent ?

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  15. What is the role of pyridine in the acylation reaction of amines ?

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  16. A compound 'A' on reduction with iron scrap and hydrochloric acid give...

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  17. Complete the following CH(3)CN. overset((1.AIH(i-Bu)(2)))underset(2....

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  18. Complete the following Write IUPAC name of the following compound .

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  19. Complete the following reactions : (b) Give simple chemical tests t...

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  20. How would you convert the following : (i)Phenol to benzoquinone (i...

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